Vitamin B12 is a nutrient that offers numerous benefits to the body, including: Helping make your blood cells healthy Helping with nerve cell function Making DNA, the genetic material in all of your cells Helping prevent megaloblastic anemia, a blood condition that makes people tired and weak Some groups are at heightened risk of B12 deficiency, including: Older adults Vegans Vegetarians People with digestive issues, such as celiac disease or Crohn's disease People who have had stomach or intestinal surgery If a B12 deficiency goes untreated, it can cause physical, neurological, and psychological problems
6 Researchers have expressed concern about cyanide accumulation in the body following long-term intake of cyanocobalamin from supplements and/or fortified foods
References Bertone-Johnson, E
Don't spray it directly onto the powder
Perspectives on Psychological Science 19(1):137-150
This emphasized replacing red meat and poultry with lean meats, nuts, and oily fish